Home / 93,129,380.84-128,521,459.46-53,444,171.78

Finding the Fourth Proportional to 93,129,380.84, 128,521,459.46 and 53,444,171.78

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Solution

The fourth proportional to 93,129,380.84, 128,521,459.46 and 53,444,171.78 is: 73,754,629.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,129,380.84 : 128,521,459.46 = 53,444,171.78 : x
  2. Step 2: Convert to fraction form
    93,129,380.84/128,521,459.46 = 53,444,171.78/x
  3. Step 3: Cross multiply
    93,129,380.84x = 128,521,459.46 × 53,444,171.78
  4. Step 4: Simplify right side
    93,129,380.84x = 6,868,722,956,796,546
  5. Step 5: Solve for x
    x = 6,868,722,956,796,546/93,129,380.84
  6. Step 6: Final answer
    x = 73,754,629.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.